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单词 involution
释义

involution

[ in-vuh-loo-shuhn ]
/ ˌɪn vəˈlu ʃən /
SEE SYNONYMS FOR involution ON THESAURUS.COM

noun

Origin of involution

First recorded in 1605–15, involution is from the Medieval Latin word involūtiōn- (stem of involūtiō). See involute, -ion

OTHER WORDS FROM involution

su·per·in·vo·lu·tion, noun

Words nearby involution

involuntary muscle, involute, involuted, involute gear, involute teeth, involution, involutional, involutional melancholia, involutional psychosis, involve, involved
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for involution

British Dictionary definitions for involution

involution
/ (ˌɪnvəˈluːʃən) /

noun

Derived forms of involution

involutional, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for involution

involution
[ ĭn′və-lōōshən ]

n.

A decrease in size of an organ, as of the uterus following childbirth.
The ingrowth and curling inward of a group of cells, as in the formation of a gastrula from a blastula.
A progressive decline or degeneration of normal physiological functioning occurring as a result of the aging process.catagenesis

Other words from involution

in′vo•lution•al adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for involution

involution
[ ĭn′və-lōōshən ]

A mathematical operation, such as negation, which, when applied to itself, returns the original number.
The ingrowth and curling inward of a group of cells, as in the formation of a gastrula from a blastula.
A decrease in size of an organ, as of the uterus following childbirth.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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更新时间:2024/12/23 10:32:42